<?php

class LtSession
{
    public $storeHandle;
    public $configHandle;

    public function __construct()
    {
        if (!$this->configHandle instanceof LtConfig) {
            if (class_exists("LtObjectUtil", false)) {
                $this->configHandle = LtObjectUtil::singleton("LtConfig");
            } else {
                $this->configHandle = new LtConfig;
            }
        }
    }

    public function init()
    {
        if (!$sessionSavePath = $this->configHandle->get("session.save_path")) {
            $sessionSavePath = '/tmp/Lotus/session/';
        }
        if (!is_object($this->storeHandle)) {
            ini_set('session.save_handler', 'files');
            if (!is_dir($sessionSavePath)) {
                if (!@mkdir($sessionSavePath, 0777, true)) {
                    trigger_error("Can not create $sessionSavePath");
                }
            }
            session_save_path($sessionSavePath);
        } else {
            $this->storeHandle->conf = $this->configHandle->get("session.conf");
            $this->storeHandle->init();
            session_set_save_handler(
                array(&$this->storeHandle, 'open'),
                array(&$this->storeHandle, 'close'),
                array(&$this->storeHandle, 'read'),
                array(&$this->storeHandle, 'write'),
                array(&$this->storeHandle, 'destroy'),
                array(&$this->storeHandle, 'gc')
            );
        }
        //session_start();
        //header("Cache-control: private"); // to overcome/fix a bug in IE 6.x
    }
}
